HK

Hiroya Kakegawa

IC Ibiden Co.: 2 patents #335 of 730Top 50%
OC Osaka Gas Co.: 2 patents #129 of 689Top 20%
📍 Yoro, JP: #1 of 4 inventorsTop 25%
Overall (All Time): #1,258,789 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7049362 Resin molded product 2006-05-23
5889081 Binder composition for friction materials, and friction material Tokugen Yasuda, Xiangsheng Wang 1999-03-30
5017431 Adhesion structures and method of producing the same Sugio Otani 1991-05-21
4911983 Adhesion structures and method of producing the same Sugio Otani 1990-03-27